@extends('reports.pdf.layout')

@section('title', $data['meta']['title'])

@php
    $meta = $data['meta'];
    $k    = $data['kpis'];

    $fmtNum = function ($v, $unit = '') {
        if ($v === null) return '—';
        $s = is_numeric($v) ? number_format((float) $v, 0, ',', ' ') : (string) $v;
        return trim($s . ' ' . $unit);
    };

    // Line chart geometry — two series (acquisition / residual) over 5 quarters.
    $chartW = 480; $chartH = 160; $padX = 32; $padY = 22;
    $trend = $data['trend'];
    $allValues = [];
    foreach ($trend as $t) {
        $allValues[] = $t['acq'];
        $allValues[] = $t['residual'];
    }
    $allValues = array_filter($allValues, fn ($v) => $v > 0);
    $minV = !empty($allValues) ? min($allValues) : 0;
    $maxV = !empty($allValues) ? max($allValues) : 1;
    if ($minV === $maxV) { $maxV = $minV + 1; }
    $stepX = count($trend) > 1 ? ($chartW - 2 * $padX) / (count($trend) - 1) : 0;

    $project = function ($val) use ($padX, $padY, $chartH, $minV, $maxV) {
        return $chartH - $padY - (($val - $minV) / ($maxV - $minV)) * ($chartH - 2 * $padY);
    };

    $acqPoints = []; $resPoints = [];
    foreach ($trend as $i => $t) {
        $x = $padX + $i * $stepX;
        $acqPoints[] = ['x' => $x, 'y' => $project($t['acq']),       'label' => $t['label'], 'value' => $t['acq']];
        $resPoints[] = ['x' => $x, 'y' => $project($t['residual']),  'label' => $t['label'], 'value' => $t['residual']];
    }
    $acqLine = implode(' ', array_map(fn ($p) => "{$p['x']},{$p['y']}", $acqPoints));
    $resLine = implode(' ', array_map(fn ($p) => "{$p['x']},{$p['y']}", $resPoints));
@endphp

@section('content')
    <div class="header-band">
        <div class="eyebrow">DADYCAR FLEET MANAGER</div>
        <h1 class="title">{{ $meta['title'] }}</h1>
        <div class="meta">
            <span class="badge">Parc &amp; Véhicules</span>
            <span class="badge">{{ $meta['code'] }}</span>
            Période : {{ $meta['period']['label'] }} · {{ $meta['site_label'] }} ·
            {{ $meta['total_vehicles'] }} véhicules ({{ $meta['priced_count'] }} valorisés) ·
            Généré le {{ $meta['generated_at']->locale('fr')->isoFormat('D MMMM YYYY') }}
        </div>
    </div>

    <h3 class="section-title">Indicateurs financiers</h3>
    <div class="kpi-grid">
        <div class="kpi-row">
            <div class="kpi-card">
                <div class="kpi-label">Valeur d'acquisition totale</div>
                <div class="kpi-value">{{ $fmtNum($k['acquisition']['value']) }}<span class="kpi-unit">{{ $k['acquisition']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['acquisition']['caption'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Valeur résiduelle estimée</div>
                <div class="kpi-value">{{ $fmtNum($k['residual']['value']) }}<span class="kpi-unit">{{ $k['residual']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['residual']['caption'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Amortissement cumulé</div>
                <div class="kpi-value">{{ $fmtNum($k['depreciation']['value']) }}<span class="kpi-unit">{{ $k['depreciation']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['depreciation']['caption'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Écart cote marché</div>
                <div class="kpi-value">—</div>
                <div class="kpi-delta delta-flat">{{ $k['market_gap']['caption'] }}</div>
            </div>
        </div>
    </div>

    <h3 class="section-title">Évolution de la valeur du parc (en k€)</h3>
    @if ($meta['priced_count'] > 0)
        <svg width="{{ $chartW }}" height="{{ $chartH }}" viewBox="0 0 {{ $chartW }} {{ $chartH }}" xmlns="http://www.w3.org/2000/svg" style="background: #F9FAFB; border: 1pt solid #E5E7EB; border-radius: 4pt;">
            <line x1="{{ $padX }}" y1="{{ $chartH - $padY }}" x2="{{ $chartW - $padX }}" y2="{{ $chartH - $padY }}" stroke="#D1D5DB" stroke-width="0.5"/>
            <polyline points="{{ $acqLine }}" fill="none" stroke="#3B82F6" stroke-width="2" />
            <polyline points="{{ $resLine }}" fill="none" stroke="#10B981" stroke-width="2" />
            @foreach ($acqPoints as $p)
                <circle cx="{{ $p['x'] }}" cy="{{ $p['y'] }}" r="3" fill="#3B82F6" />
                <text x="{{ $p['x'] }}" y="{{ $chartH - $padY + 12 }}" font-size="8" text-anchor="middle" fill="#6B7280">{{ $p['label'] }}</text>
            @endforeach
            @foreach ($resPoints as $p)
                <circle cx="{{ $p['x'] }}" cy="{{ $p['y'] }}" r="3" fill="#10B981" />
            @endforeach
        </svg>
        <div style="font-size: 8.5pt; color: #6B7280; margin-top: 4pt;">
            <span style="display:inline-block;width:8pt;height:8pt;background:#3B82F6;border-radius:1pt;margin-right:4pt;"></span>Valeur d'acquisition (k€)
            <span style="display:inline-block;width:8pt;height:8pt;background:#10B981;border-radius:1pt;margin:0 4pt 0 12pt;"></span>Valeur résiduelle (k€)
        </div>
    @else
        <p style="color:#6B7280; font-style: italic;">Aucune donnée financière exploitable sur le parc.</p>
    @endif

    <h3 class="section-title">Top 5 véhicules — Analyse valeur résiduelle</h3>
    @if (!empty($data['top5']))
        <table class="data">
            <thead>
                <tr>
                    <th>Immat.</th>
                    <th>Modèle</th>
                    <th class="num">Prix achat</th>
                    <th class="num">Amortissement</th>
                    <th class="num">Valeur résid.</th>
                    <th class="num">Cote marché</th>
                </tr>
            </thead>
            <tbody>
                @foreach ($data['top5'] as $r)
                    <tr>
                        <td>{{ $r['plate'] }}</td>
                        <td>{{ $r['model'] }}</td>
                        <td class="num">{{ number_format($r['price'], 0, ',', ' ') }} €</td>
                        <td class="num">{{ number_format($r['depreciation'], 0, ',', ' ') }} €</td>
                        <td class="num">{{ number_format($r['residual'], 0, ',', ' ') }} €</td>
                        <td class="num" style="color: #6B7280; font-style: italic;">À venir</td>
                    </tr>
                @endforeach
            </tbody>
        </table>
        <p style="color: #6B7280; font-size: 8pt; margin-top: 4pt; font-style: italic;">
            Amortissement linéaire sur 5 ans à partir de la date d'achat / d'entrée en parc. La cote marché n'étant pas disponible dans la base, l'écart est marqué « À venir ».
        </p>
    @else
        <p style="color:#6B7280; font-style: italic;">Aucun véhicule avec une valeur d'acquisition renseignée.</p>
    @endif
@endsection